wpa_supplicant/ap.c

   1 /*
   2  * WPA Supplicant - Basic AP mode support routines
   3  * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
   4  * Copyright (c) 2009, Atheros Communications
   5  *
   6  * This software may be distributed under the terms of the BSD license.
   7  * See README for more details.
   8  */
   9
  10 #include "utils/includes.h"
  11
  12 #include "utils/common.h"
  13 #include "utils/eloop.h"
  14 #include "utils/uuid.h"
  15 #include "common/ieee802_11_defs.h"
  16 #include "common/wpa_ctrl.h"
  17 #include "eapol_supp/eapol_supp_sm.h"
  18 #include "crypto/dh_group5.h"
  19 #include "ap/hostapd.h"
  20 #include "ap/ap_config.h"
  21 #include "ap/ap_drv_ops.h"
  22 #ifdef NEED_AP_MLME
  23 #include "ap/ieee802_11.h"
  24 #endif /* NEED_AP_MLME */
  25 #include "ap/beacon.h"
  26 #include "ap/ieee802_1x.h"
  27 #include "ap/wps_hostapd.h"
  28 #include "ap/ctrl_iface_ap.h"
  29 #include "ap/dfs.h"
  30 #include "wps/wps.h"
  31 #include "common/ieee802_11_defs.h"
  32 #include "config_ssid.h"
  33 #include "config.h"
  34 #include "wpa_supplicant_i.h"
  35 #include "driver_i.h"
  36 #include "p2p_supplicant.h"
  37 #include "ap.h"
  38 #include "ap/sta_info.h"
  39 #include "notify.h"
  40
  41
  42 #ifdef CONFIG_WPS
  43 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
  44 #endif /* CONFIG_WPS */
  45
  46
  47 #ifdef CONFIG_IEEE80211N
  48 static void wpas_conf_ap_vht(struct wpa_supplicant *wpa_s,
  49                              struct hostapd_config *conf,
  50                              struct hostapd_hw_modes *mode)
  51 {
  52 #ifdef CONFIG_P2P
  53         u8 center_chan = 0;
  54         u8 channel = conf->channel;
  55
  56         if (!conf->secondary_channel)
  57                 goto no_vht;
  58
  59         switch (conf->vht_oper_chwidth) {
  60         case VHT_CHANWIDTH_80MHZ:
  61         case VHT_CHANWIDTH_80P80MHZ:
  62                 center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel);
  63                 break;
  64         case VHT_CHANWIDTH_160MHZ:
  65                 center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel);
  66                 break;
  67         default:
  68                 /*
  69                  * conf->vht_oper_chwidth might not be set for non-P2P GO cases,
  70                  * try oper_cwidth 160 MHz first then VHT 80 MHz, if 160 MHz is
  71                  * not supported.
  72                  */
  73                 conf->vht_oper_chwidth = VHT_CHANWIDTH_160MHZ;
  74                 center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel);
  75                 if (!center_chan) {
  76                         conf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ;
  77                         center_chan = wpas_p2p_get_vht80_center(wpa_s, mode,
  78                                                                 channel);
  79                 }
  80                 break;
  81         }
  82         if (!center_chan)
  83                 goto no_vht;
  84
  85         conf->vht_oper_centr_freq_seg0_idx = center_chan;
  86         return;
  87
  88 no_vht:
  89         conf->vht_oper_centr_freq_seg0_idx =
  90                 channel + conf->secondary_channel * 2;
  91 #else /* CONFIG_P2P */
  92         conf->vht_oper_centr_freq_seg0_idx =
  93                 conf->channel + conf->secondary_channel * 2;
  94 #endif /* CONFIG_P2P */
  95         conf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT;
  96 }
  97 #endif /* CONFIG_IEEE80211N */
  98
  99
 100 int wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
 101                               struct wpa_ssid *ssid,
 102                               struct hostapd_config *conf)
 103 {
 104         conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
 105                                                &conf->channel);
 106
 107         if (conf->hw_mode == NUM_HOSTAPD_MODES) {
 108                 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
 109                            ssid->frequency);
 110                 return -1;
 111         }
 112
 113         /* TODO: enable HT40 if driver supports it;
 114          * drop to 11b if driver does not support 11g */
 115
 116 #ifdef CONFIG_IEEE80211N
 117         /*
 118          * Enable HT20 if the driver supports it, by setting conf->ieee80211n
 119          * and a mask of allowed capabilities within conf->ht_capab.
 120          * Using default config settings for: conf->ht_op_mode_fixed,
 121          * conf->secondary_channel, conf->require_ht
 122          */
 123         if (wpa_s->hw.modes) {
 124                 struct hostapd_hw_modes *mode = NULL;
 125                 int i, no_ht = 0;
 126                 for (i = 0; i < wpa_s->hw.num_modes; i++) {
 127                         if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
 128                                 mode = &wpa_s->hw.modes[i];
 129                                 break;
 130                         }
 131                 }
 132
 133 #ifdef CONFIG_HT_OVERRIDES
 134                 if (ssid->disable_ht) {
 135                         conf->ieee80211n = 0;
 136                         conf->ht_capab = 0;
 137                         no_ht = 1;
 138                 }
 139 #endif /* CONFIG_HT_OVERRIDES */
 140
 141                 if (!no_ht && mode && mode->ht_capab) {
 142                         conf->ieee80211n = 1;
 143 #ifdef CONFIG_P2P
 144                         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
 145                             (mode->ht_capab &
 146                              HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
 147                             ssid->ht40)
 148                                 conf->secondary_channel =
 149                                         wpas_p2p_get_ht40_mode(wpa_s, mode,
 150                                                                conf->channel);
 151                         if (conf->secondary_channel)
 152                                 conf->ht_capab |=
 153                                         HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
 154 #endif /* CONFIG_P2P */
 155
 156                         /*
 157                          * white-list capabilities that won't cause issues
 158                          * to connecting stations, while leaving the current
 159                          * capabilities intact (currently disabled SMPS).
 160                          */
 161                         conf->ht_capab |= mode->ht_capab &
 162                                 (HT_CAP_INFO_GREEN_FIELD |
 163                                  HT_CAP_INFO_SHORT_GI20MHZ |
 164                                  HT_CAP_INFO_SHORT_GI40MHZ |
 165                                  HT_CAP_INFO_RX_STBC_MASK |
 166                                  HT_CAP_INFO_TX_STBC |
 167                                  HT_CAP_INFO_MAX_AMSDU_SIZE);
 168
 169                         if (mode->vht_capab && ssid->vht) {
 170                                 conf->ieee80211ac = 1;
 171                                 wpas_conf_ap_vht(wpa_s, conf, mode);
 172                         }
 173                 }
 174         }
 175
 176         if (conf->secondary_channel) {
 177                 struct wpa_supplicant *iface;
 178
 179                 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
 180                 {
 181                         if (iface == wpa_s ||
 182                             iface->wpa_state < WPA_AUTHENTICATING ||
 183                             (int) iface->assoc_freq != ssid->frequency)
 184                                 continue;
 185
 186                         /*
 187                          * Do not allow 40 MHz co-ex PRI/SEC switch to force us
 188                          * to change our PRI channel since we have an existing,
 189                          * concurrent connection on that channel and doing
 190                          * multi-channel concurrency is likely to cause more
 191                          * harm than using different PRI/SEC selection in
 192                          * environment with multiple BSSes on these two channels
 193                          * with mixed 20 MHz or PRI channel selection.
 194                          */
 195                         conf->no_pri_sec_switch = 1;
 196                 }
 197         }
 198 #endif /* CONFIG_IEEE80211N */
 199
 200         return 0;
 201 }
 202
 203
 204 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
 205                                   struct wpa_ssid *ssid,
 206                                   struct hostapd_config *conf)
 207 {
 208         struct hostapd_bss_config *bss = conf->bss[0];
 209
 210         conf->driver = wpa_s->driver;
 211
 212         os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
 213
 214         if (wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf))
 215                 return -1;
 216
 217         if (ssid->pbss > 1) {
 218                 wpa_printf(MSG_ERROR, "Invalid pbss value(%d) for AP mode",
 219                            ssid->pbss);
 220                 return -1;
 221         }
 222         bss->pbss = ssid->pbss;
 223
 224 #ifdef CONFIG_ACS
 225         if (ssid->acs) {
 226                 /* Setting channel to 0 in order to enable ACS */
 227                 conf->channel = 0;
 228                 wpa_printf(MSG_DEBUG, "Use automatic channel selection");
 229         }
 230 #endif /* CONFIG_ACS */
 231
 232         if (ieee80211_is_dfs(ssid->frequency) && wpa_s->conf->country[0]) {
 233                 conf->ieee80211h = 1;
 234                 conf->ieee80211d = 1;
 235                 conf->country[0] = wpa_s->conf->country[0];
 236                 conf->country[1] = wpa_s->conf->country[1];
 237         }
 238
 239 #ifdef CONFIG_P2P
 240         if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
 241             (ssid->mode == WPAS_MODE_P2P_GO ||
 242              ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
 243                 /* Remove 802.11b rates from supported and basic rate sets */
 244                 int *list = os_malloc(4 * sizeof(int));
 245                 if (list) {
 246                         list[0] = 60;
 247                         list[1] = 120;
 248                         list[2] = 240;
 249                         list[3] = -1;
 250                 }
 251                 conf->basic_rates = list;
 252
 253                 list = os_malloc(9 * sizeof(int));
 254                 if (list) {
 255                         list[0] = 60;
 256                         list[1] = 90;
 257                         list[2] = 120;
 258                         list[3] = 180;
 259                         list[4] = 240;
 260                         list[5] = 360;
 261                         list[6] = 480;
 262                         list[7] = 540;
 263                         list[8] = -1;
 264                 }
 265                 conf->supported_rates = list;
 266         }
 267
 268         bss->isolate = !wpa_s->conf->p2p_intra_bss;
 269         bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
 270
 271         if (ssid->p2p_group) {
 272                 os_memcpy(bss->ip_addr_go, wpa_s->p2pdev->conf->ip_addr_go, 4);
 273                 os_memcpy(bss->ip_addr_mask, wpa_s->p2pdev->conf->ip_addr_mask,
 274                           4);
 275                 os_memcpy(bss->ip_addr_start,
 276                           wpa_s->p2pdev->conf->ip_addr_start, 4);
 277                 os_memcpy(bss->ip_addr_end, wpa_s->p2pdev->conf->ip_addr_end,
 278                           4);
 279         }
 280 #endif /* CONFIG_P2P */
 281
 282         if (ssid->ssid_len == 0) {
 283                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 284                 return -1;
 285         }
 286         os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
 287         bss->ssid.ssid_len = ssid->ssid_len;
 288         bss->ssid.ssid_set = 1;
 289
 290         bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
 291
 292         if (ssid->auth_alg)
 293                 bss->auth_algs = ssid->auth_alg;
 294
 295         if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
 296                 bss->wpa = ssid->proto;
 297         if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
 298                 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
 299         else
 300                 bss->wpa_key_mgmt = ssid->key_mgmt;
 301         bss->wpa_pairwise = ssid->pairwise_cipher;
 302         if (ssid->psk_set) {
 303                 bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk));
 304                 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
 305                 if (bss->ssid.wpa_psk == NULL)
 306                         return -1;
 307                 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
 308                 bss->ssid.wpa_psk->group = 1;
 309                 bss->ssid.wpa_psk_set = 1;
 310         } else if (ssid->passphrase) {
 311                 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
 312         } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
 313                    ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
 314                 struct hostapd_wep_keys *wep = &bss->ssid.wep;
 315                 int i;
 316                 for (i = 0; i < NUM_WEP_KEYS; i++) {
 317                         if (ssid->wep_key_len[i] == 0)
 318                                 continue;
 319                         wep->key[i] = os_malloc(ssid->wep_key_len[i]);
 320                         if (wep->key[i] == NULL)
 321                                 return -1;
 322                         os_memcpy(wep->key[i], ssid->wep_key[i],
 323                                   ssid->wep_key_len[i]);
 324                         wep->len[i] = ssid->wep_key_len[i];
 325                 }
 326                 wep->idx = ssid->wep_tx_keyidx;
 327                 wep->keys_set = 1;
 328         }
 329
 330         if (ssid->ap_max_inactivity)
 331                 bss->ap_max_inactivity = ssid->ap_max_inactivity;
 332
 333         if (ssid->dtim_period)
 334                 bss->dtim_period = ssid->dtim_period;
 335         else if (wpa_s->conf->dtim_period)
 336                 bss->dtim_period = wpa_s->conf->dtim_period;
 337
 338         if (ssid->beacon_int)
 339                 conf->beacon_int = ssid->beacon_int;
 340         else if (wpa_s->conf->beacon_int)
 341                 conf->beacon_int = wpa_s->conf->beacon_int;
 342
 343 #ifdef CONFIG_P2P
 344         if (ssid->mode == WPAS_MODE_P2P_GO ||
 345             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
 346                 if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) {
 347                         wpa_printf(MSG_INFO,
 348                                    "CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it",
 349                                    wpa_s->conf->p2p_go_ctwindow,
 350                                    conf->beacon_int);
 351                         conf->p2p_go_ctwindow = 0;
 352                 } else {
 353                         conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow;
 354                 }
 355         }
 356 #endif /* CONFIG_P2P */
 357
 358         if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
 359                 bss->rsn_pairwise = bss->wpa_pairwise;
 360         bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
 361                                                     bss->rsn_pairwise);
 362
 363         if (bss->wpa && bss->ieee802_1x)
 364                 bss->ssid.security_policy = SECURITY_WPA;
 365         else if (bss->wpa)
 366                 bss->ssid.security_policy = SECURITY_WPA_PSK;
 367         else if (bss->ieee802_1x) {
 368                 int cipher = WPA_CIPHER_NONE;
 369                 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
 370                 bss->ssid.wep.default_len = bss->default_wep_key_len;
 371                 if (bss->default_wep_key_len)
 372                         cipher = bss->default_wep_key_len >= 13 ?
 373                                 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
 374                 bss->wpa_group = cipher;
 375                 bss->wpa_pairwise = cipher;
 376                 bss->rsn_pairwise = cipher;
 377         } else if (bss->ssid.wep.keys_set) {
 378                 int cipher = WPA_CIPHER_WEP40;
 379                 if (bss->ssid.wep.len[0] >= 13)
 380                         cipher = WPA_CIPHER_WEP104;
 381                 bss->ssid.security_policy = SECURITY_STATIC_WEP;
 382                 bss->wpa_group = cipher;
 383                 bss->wpa_pairwise = cipher;
 384                 bss->rsn_pairwise = cipher;
 385         } else {
 386                 bss->ssid.security_policy = SECURITY_PLAINTEXT;
 387                 bss->wpa_group = WPA_CIPHER_NONE;
 388                 bss->wpa_pairwise = WPA_CIPHER_NONE;
 389                 bss->rsn_pairwise = WPA_CIPHER_NONE;
 390         }
 391
 392         if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
 393             (bss->wpa_group == WPA_CIPHER_CCMP ||
 394              bss->wpa_group == WPA_CIPHER_GCMP ||
 395              bss->wpa_group == WPA_CIPHER_CCMP_256 ||
 396              bss->wpa_group == WPA_CIPHER_GCMP_256)) {
 397                 /*
 398                  * Strong ciphers do not need frequent rekeying, so increase
 399                  * the default GTK rekeying period to 24 hours.
 400                  */
 401                 bss->wpa_group_rekey = 86400;
 402         }
 403
 404 #ifdef CONFIG_IEEE80211W
 405         if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
 406                 bss->ieee80211w = ssid->ieee80211w;
 407 #endif /* CONFIG_IEEE80211W */
 408
 409 #ifdef CONFIG_WPS
 410         /*
 411          * Enable WPS by default for open and WPA/WPA2-Personal network, but
 412          * require user interaction to actually use it. Only the internal
 413          * Registrar is supported.
 414          */
 415         if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
 416             bss->ssid.security_policy != SECURITY_PLAINTEXT)
 417                 goto no_wps;
 418         if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
 419             (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ||
 420              !(bss->wpa & 2)))
 421                 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
 422                               * configuration */
 423         if (ssid->wps_disabled)
 424                 goto no_wps;
 425         bss->eap_server = 1;
 426
 427         if (!ssid->ignore_broadcast_ssid)
 428                 bss->wps_state = 2;
 429
 430         bss->ap_setup_locked = 2;
 431         if (wpa_s->conf->config_methods)
 432                 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
 433         os_memcpy(bss->device_type, wpa_s->conf->device_type,
 434                   WPS_DEV_TYPE_LEN);
 435         if (wpa_s->conf->device_name) {
 436                 bss->device_name = os_strdup(wpa_s->conf->device_name);
 437                 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
 438         }
 439         if (wpa_s->conf->manufacturer)
 440                 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
 441         if (wpa_s->conf->model_name)
 442                 bss->model_name = os_strdup(wpa_s->conf->model_name);
 443         if (wpa_s->conf->model_number)
 444                 bss->model_number = os_strdup(wpa_s->conf->model_number);
 445         if (wpa_s->conf->serial_number)
 446                 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
 447         if (is_nil_uuid(wpa_s->conf->uuid))
 448                 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
 449         else
 450                 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
 451         os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
 452         bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
 453 no_wps:
 454 #endif /* CONFIG_WPS */
 455
 456         if (wpa_s->max_stations &&
 457             wpa_s->max_stations < wpa_s->conf->max_num_sta)
 458                 bss->max_num_sta = wpa_s->max_stations;
 459         else
 460                 bss->max_num_sta = wpa_s->conf->max_num_sta;
 461
 462         bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
 463
 464         if (wpa_s->conf->ap_vendor_elements) {
 465                 bss->vendor_elements =
 466                         wpabuf_dup(wpa_s->conf->ap_vendor_elements);
 467         }
 468
 469         return 0;
 470 }
 471
 472
 473 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 474 {
 475 #ifdef CONFIG_P2P
 476         struct wpa_supplicant *wpa_s = ctx;
 477         const struct ieee80211_mgmt *mgmt;
 478
 479         mgmt = (const struct ieee80211_mgmt *) buf;
 480         if (len < IEEE80211_HDRLEN + 1)
 481                 return;
 482         if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
 483                 return;
 484         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 485                            mgmt->u.action.category,
 486                            buf + IEEE80211_HDRLEN + 1,
 487                            len - IEEE80211_HDRLEN - 1, freq);
 488 #endif /* CONFIG_P2P */
 489 }
 490
 491
 492 static void ap_wps_event_cb(void *ctx, enum wps_event event,
 493                             union wps_event_data *data)
 494 {
 495 #ifdef CONFIG_P2P
 496         struct wpa_supplicant *wpa_s = ctx;
 497
 498         if (event == WPS_EV_FAIL) {
 499                 struct wps_event_fail *fail = &data->fail;
 500
 501                 if (wpa_s->p2pdev && wpa_s->p2pdev != wpa_s &&
 502                     wpa_s == wpa_s->global->p2p_group_formation) {
 503                         /*
 504                          * src/ap/wps_hostapd.c has already sent this on the
 505                          * main interface, so only send on the parent interface
 506                          * here if needed.
 507                          */
 508                         wpa_msg(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_FAIL
 509                                 "msg=%d config_error=%d",
 510                                 fail->msg, fail->config_error);
 511                 }
 512                 wpas_p2p_wps_failed(wpa_s, fail);
 513         }
 514 #endif /* CONFIG_P2P */
 515 }
 516
 517
 518 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
 519                                  int authorized, const u8 *p2p_dev_addr)
 520 {
 521         wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
 522 }
 523
 524
 525 #ifdef CONFIG_P2P
 526 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
 527                           const u8 *psk, size_t psk_len)
 528 {
 529
 530         struct wpa_supplicant *wpa_s = ctx;
 531         if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
 532                 return;
 533         wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
 534 }
 535 #endif /* CONFIG_P2P */
 536
 537
 538 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 539 {
 540 #ifdef CONFIG_P2P
 541         struct wpa_supplicant *wpa_s = ctx;
 542         const struct ieee80211_mgmt *mgmt;
 543
 544         mgmt = (const struct ieee80211_mgmt *) buf;
 545         if (len < IEEE80211_HDRLEN + 1)
 546                 return -1;
 547         wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
 548                            mgmt->u.action.category,
 549                            buf + IEEE80211_HDRLEN + 1,
 550                            len - IEEE80211_HDRLEN - 1, freq);
 551 #endif /* CONFIG_P2P */
 552         return 0;
 553 }
 554
 555
 556 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
 557                            const u8 *bssid, const u8 *ie, size_t ie_len,
 558                            int ssi_signal)
 559 {
 560         struct wpa_supplicant *wpa_s = ctx;
 561         unsigned int freq = 0;
 562
 563         if (wpa_s->ap_iface)
 564                 freq = wpa_s->ap_iface->freq;
 565
 566         return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
 567                                      freq, ssi_signal);
 568 }
 569
 570
 571 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
 572                                   const u8 *uuid_e)
 573 {
 574         struct wpa_supplicant *wpa_s = ctx;
 575         wpas_p2p_wps_success(wpa_s, mac_addr, 1);
 576 }
 577
 578
 579 static void wpas_ap_configured_cb(void *ctx)
 580 {
 581         struct wpa_supplicant *wpa_s = ctx;
 582
 583 #ifdef CONFIG_ACS
 584         if (wpa_s->current_ssid && wpa_s->current_ssid->acs)
 585                 wpa_s->assoc_freq = wpa_s->ap_iface->freq;
 586 #endif /* CONFIG_ACS */
 587
 588         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 589
 590         if (wpa_s->ap_configured_cb)
 591                 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
 592                                         wpa_s->ap_configured_cb_data);
 593 }
 594
 595
 596 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 597                              struct wpa_ssid *ssid)
 598 {
 599         struct wpa_driver_associate_params params;
 600         struct hostapd_iface *hapd_iface;
 601         struct hostapd_config *conf;
 602         size_t i;
 603
 604         if (ssid->ssid == NULL || ssid->ssid_len == 0) {
 605                 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
 606                 return -1;
 607         }
 608
 609         wpa_supplicant_ap_deinit(wpa_s);
 610
 611         wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
 612                    wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 613
 614         os_memset(&params, 0, sizeof(params));
 615         params.ssid = ssid->ssid;
 616         params.ssid_len = ssid->ssid_len;
 617         switch (ssid->mode) {
 618         case WPAS_MODE_AP:
 619         case WPAS_MODE_P2P_GO:
 620         case WPAS_MODE_P2P_GROUP_FORMATION:
 621                 params.mode = IEEE80211_MODE_AP;
 622                 break;
 623         default:
 624                 return -1;
 625         }
 626         if (ssid->frequency == 0)
 627                 ssid->frequency = 2462; /* default channel 11 */
 628         params.freq.freq = ssid->frequency;
 629
 630         params.wpa_proto = ssid->proto;
 631         if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
 632                 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
 633         else
 634                 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
 635         params.key_mgmt_suite = wpa_s->key_mgmt;
 636
 637         wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
 638                                                           1);
 639         if (wpa_s->pairwise_cipher < 0) {
 640                 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
 641                            "cipher.");
 642                 return -1;
 643         }
 644         params.pairwise_suite = wpa_s->pairwise_cipher;
 645         params.group_suite = params.pairwise_suite;
 646
 647 #ifdef CONFIG_P2P
 648         if (ssid->mode == WPAS_MODE_P2P_GO ||
 649             ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 650                 params.p2p = 1;
 651 #endif /* CONFIG_P2P */
 652
 653         if (wpa_s->p2pdev->set_ap_uapsd)
 654                 params.uapsd = wpa_s->p2pdev->ap_uapsd;
 655         else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
 656                 params.uapsd = 1; /* mandatory for P2P GO */
 657         else
 658                 params.uapsd = -1;
 659
 660         if (ieee80211_is_dfs(params.freq.freq))
 661                 params.freq.freq = 0; /* set channel after CAC */
 662
 663         if (params.p2p)
 664                 wpa_drv_get_ext_capa(wpa_s, WPA_IF_P2P_GO);
 665         else
 666                 wpa_drv_get_ext_capa(wpa_s, WPA_IF_AP_BSS);
 667
 668         if (wpa_drv_associate(wpa_s, &params) < 0) {
 669                 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
 670                 return -1;
 671         }
 672
 673         wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
 674         if (hapd_iface == NULL)
 675                 return -1;
 676         hapd_iface->owner = wpa_s;
 677         hapd_iface->drv_flags = wpa_s->drv_flags;
 678         hapd_iface->smps_modes = wpa_s->drv_smps_modes;
 679         hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 680         hapd_iface->extended_capa = wpa_s->extended_capa;
 681         hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
 682         hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
 683
 684         wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 685         if (conf == NULL) {
 686                 wpa_supplicant_ap_deinit(wpa_s);
 687                 return -1;
 688         }
 689
 690         /* Use the maximum oper channel width if it's given. */
 691         if (ssid->max_oper_chwidth)
 692                 conf->vht_oper_chwidth = ssid->max_oper_chwidth;
 693
 694         ieee80211_freq_to_chan(ssid->vht_center_freq2,
 695                                &conf->vht_oper_centr_freq_seg1_idx);
 696
 697         os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
 698                   wpa_s->conf->wmm_ac_params,
 699                   sizeof(wpa_s->conf->wmm_ac_params));
 700
 701         if (params.uapsd > 0) {
 702                 conf->bss[0]->wmm_enabled = 1;
 703                 conf->bss[0]->wmm_uapsd = 1;
 704         }
 705
 706         if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
 707                 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
 708                 wpa_supplicant_ap_deinit(wpa_s);
 709                 return -1;
 710         }
 711
 712 #ifdef CONFIG_P2P
 713         if (ssid->mode == WPAS_MODE_P2P_GO)
 714                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
 715         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
 716                 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
 717                         P2P_GROUP_FORMATION;
 718 #endif /* CONFIG_P2P */
 719
 720         hapd_iface->num_bss = conf->num_bss;
 721         hapd_iface->bss = os_calloc(conf->num_bss,
 722                                     sizeof(struct hostapd_data *));
 723         if (hapd_iface->bss == NULL) {
 724                 wpa_supplicant_ap_deinit(wpa_s);
 725                 return -1;
 726         }
 727
 728         for (i = 0; i < conf->num_bss; i++) {
 729                 hapd_iface->bss[i] =
 730                         hostapd_alloc_bss_data(hapd_iface, conf,
 731                                                conf->bss[i]);
 732                 if (hapd_iface->bss[i] == NULL) {
 733                         wpa_supplicant_ap_deinit(wpa_s);
 734                         return -1;
 735                 }
 736
 737                 hapd_iface->bss[i]->msg_ctx = wpa_s;
 738                 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->p2pdev;
 739                 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
 740                 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
 741                 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
 742                 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
 743                 hostapd_register_probereq_cb(hapd_iface->bss[i],
 744                                              ap_probe_req_rx, wpa_s);
 745                 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
 746                 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
 747                 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
 748                 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
 749                 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
 750                 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
 751 #ifdef CONFIG_P2P
 752                 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
 753                 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
 754                 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
 755                 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
 756                                                                     ssid);
 757 #endif /* CONFIG_P2P */
 758                 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
 759                 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
 760 #ifdef CONFIG_TESTING_OPTIONS
 761                 hapd_iface->bss[i]->ext_eapol_frame_io =
 762                         wpa_s->ext_eapol_frame_io;
 763 #endif /* CONFIG_TESTING_OPTIONS */
 764         }
 765
 766         os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
 767         hapd_iface->bss[0]->driver = wpa_s->driver;
 768         hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
 769
 770         wpa_s->current_ssid = ssid;
 771         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 772         os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
 773         wpa_s->assoc_freq = ssid->frequency;
 774
 775         if (hostapd_setup_interface(wpa_s->ap_iface)) {
 776                 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
 777                 wpa_supplicant_ap_deinit(wpa_s);
 778                 return -1;
 779         }
 780
 781         return 0;
 782 }
 783
 784
 785 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
 786 {
 787 #ifdef CONFIG_WPS
 788         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 789 #endif /* CONFIG_WPS */
 790
 791         if (wpa_s->ap_iface == NULL)
 792                 return;
 793
 794         wpa_s->current_ssid = NULL;
 795         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
 796         wpa_s->assoc_freq = 0;
 797         wpas_p2p_ap_deinit(wpa_s);
 798         wpa_s->ap_iface->driver_ap_teardown =
 799                 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
 800
 801         hostapd_interface_deinit(wpa_s->ap_iface);
 802         hostapd_interface_free(wpa_s->ap_iface);
 803         wpa_s->ap_iface = NULL;
 804         wpa_drv_deinit_ap(wpa_s);
 805         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
 806                 " reason=%d locally_generated=1",
 807                 MAC2STR(wpa_s->own_addr), WLAN_REASON_DEAUTH_LEAVING);
 808 }
 809
 810
 811 void ap_tx_status(void *ctx, const u8 *addr,
 812                   const u8 *buf, size_t len, int ack)
 813 {
 814 #ifdef NEED_AP_MLME
 815         struct wpa_supplicant *wpa_s = ctx;
 816         hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
 817 #endif /* NEED_AP_MLME */
 818 }
 819
 820
 821 void ap_eapol_tx_status(void *ctx, const u8 *dst,
 822                         const u8 *data, size_t len, int ack)
 823 {
 824 #ifdef NEED_AP_MLME
 825         struct wpa_supplicant *wpa_s = ctx;
 826         if (!wpa_s->ap_iface)
 827                 return;
 828         hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 829 #endif /* NEED_AP_MLME */
 830 }
 831
 832
 833 void ap_client_poll_ok(void *ctx, const u8 *addr)
 834 {
 835 #ifdef NEED_AP_MLME
 836         struct wpa_supplicant *wpa_s = ctx;
 837         if (wpa_s->ap_iface)
 838                 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
 839 #endif /* NEED_AP_MLME */
 840 }
 841
 842
 843 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
 844 {
 845 #ifdef NEED_AP_MLME
 846         struct wpa_supplicant *wpa_s = ctx;
 847         ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
 848 #endif /* NEED_AP_MLME */
 849 }
 850
 851
 852 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
 853 {
 854 #ifdef NEED_AP_MLME
 855         struct wpa_supplicant *wpa_s = ctx;
 856         struct hostapd_frame_info fi;
 857         os_memset(&fi, 0, sizeof(fi));
 858         fi.datarate = rx_mgmt->datarate;
 859         fi.ssi_signal = rx_mgmt->ssi_signal;
 860         ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
 861                         rx_mgmt->frame_len, &fi);
 862 #endif /* NEED_AP_MLME */
 863 }
 864
 865
 866 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
 867 {
 868 #ifdef NEED_AP_MLME
 869         struct wpa_supplicant *wpa_s = ctx;
 870         ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
 871 #endif /* NEED_AP_MLME */
 872 }
 873
 874
 875 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
 876                                 const u8 *src_addr, const u8 *buf, size_t len)
 877 {
 878         ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
 879 }
 880
 881
 882 #ifdef CONFIG_WPS
 883
 884 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
 885                               const u8 *p2p_dev_addr)
 886 {
 887         if (!wpa_s->ap_iface)
 888                 return -1;
 889         return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
 890                                          p2p_dev_addr);
 891 }
 892
 893
 894 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
 895 {
 896         struct wps_registrar *reg;
 897         int reg_sel = 0, wps_sta = 0;
 898
 899         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
 900                 return -1;
 901
 902         reg = wpa_s->ap_iface->bss[0]->wps->registrar;
 903         reg_sel = wps_registrar_wps_cancel(reg);
 904         wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
 905                                   ap_sta_wps_cancel, NULL);
 906
 907         if (!reg_sel && !wps_sta) {
 908                 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
 909                            "time");
 910                 return -1;
 911         }
 912
 913         /*
 914          * There are 2 cases to return wps cancel as success:
 915          * 1. When wps cancel was initiated but no connection has been
 916          *    established with client yet.
 917          * 2. Client is in the middle of exchanging WPS messages.
 918          */
 919
 920         return 0;
 921 }
 922
 923
 924 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
 925                               const char *pin, char *buf, size_t buflen,
 926                               int timeout)
 927 {
 928         int ret, ret_len = 0;
 929
 930         if (!wpa_s->ap_iface)
 931                 return -1;
 932
 933         if (pin == NULL) {
 934                 unsigned int rpin;
 935
 936                 if (wps_generate_pin(&rpin) < 0)
 937                         return -1;
 938                 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
 939                 if (os_snprintf_error(buflen, ret_len))
 940                         return -1;
 941                 pin = buf;
 942         } else if (buf) {
 943                 ret_len = os_snprintf(buf, buflen, "%s", pin);
 944                 if (os_snprintf_error(buflen, ret_len))
 945                         return -1;
 946         }
 947
 948         ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
 949                                   timeout);
 950         if (ret)
 951                 return -1;
 952         return ret_len;
 953 }
 954
 955
 956 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
 957 {
 958         struct wpa_supplicant *wpa_s = eloop_data;
 959         wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
 960         wpas_wps_ap_pin_disable(wpa_s);
 961 }
 962
 963
 964 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
 965 {
 966         struct hostapd_data *hapd;
 967
 968         if (wpa_s->ap_iface == NULL)
 969                 return;
 970         hapd = wpa_s->ap_iface->bss[0];
 971         wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
 972         hapd->ap_pin_failures = 0;
 973         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 974         if (timeout > 0)
 975                 eloop_register_timeout(timeout, 0,
 976                                        wpas_wps_ap_pin_timeout, wpa_s, NULL);
 977 }
 978
 979
 980 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
 981 {
 982         struct hostapd_data *hapd;
 983
 984         if (wpa_s->ap_iface == NULL)
 985                 return;
 986         wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
 987         hapd = wpa_s->ap_iface->bss[0];
 988         os_free(hapd->conf->ap_pin);
 989         hapd->conf->ap_pin = NULL;
 990         eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
 991 }
 992
 993
 994 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
 995 {
 996         struct hostapd_data *hapd;
 997         unsigned int pin;
 998         char pin_txt[9];
 999
1000         if (wpa_s->ap_iface == NULL)
1001                 return NULL;
1002         hapd = wpa_s->ap_iface->bss[0];
1003         if (wps_generate_pin(&pin) < 0)
1004                 return NULL;
1005         os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
1006         os_free(hapd->conf->ap_pin);
1007         hapd->conf->ap_pin = os_strdup(pin_txt);
1008         if (hapd->conf->ap_pin == NULL)
1009                 return NULL;
1010         wpas_wps_ap_pin_enable(wpa_s, timeout);
1011
1012         return hapd->conf->ap_pin;
1013 }
1014
1015
1016 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
1017 {
1018         struct hostapd_data *hapd;
1019         if (wpa_s->ap_iface == NULL)
1020                 return NULL;
1021         hapd = wpa_s->ap_iface->bss[0];
1022         return hapd->conf->ap_pin;
1023 }
1024
1025
1026 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
1027                         int timeout)
1028 {
1029         struct hostapd_data *hapd;
1030         char pin_txt[9];
1031         int ret;
1032
1033         if (wpa_s->ap_iface == NULL)
1034                 return -1;
1035         hapd = wpa_s->ap_iface->bss[0];
1036         ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
1037         if (os_snprintf_error(sizeof(pin_txt), ret))
1038                 return -1;
1039         os_free(hapd->conf->ap_pin);
1040         hapd->conf->ap_pin = os_strdup(pin_txt);
1041         if (hapd->conf->ap_pin == NULL)
1042                 return -1;
1043         wpas_wps_ap_pin_enable(wpa_s, timeout);
1044
1045         return 0;
1046 }
1047
1048
1049 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
1050 {
1051         struct hostapd_data *hapd;
1052
1053         if (wpa_s->ap_iface == NULL)
1054                 return;
1055         hapd = wpa_s->ap_iface->bss[0];
1056
1057         /*
1058          * Registrar failed to prove its knowledge of the AP PIN. Disable AP
1059          * PIN if this happens multiple times to slow down brute force attacks.
1060          */
1061         hapd->ap_pin_failures++;
1062         wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
1063                    hapd->ap_pin_failures);
1064         if (hapd->ap_pin_failures < 3)
1065                 return;
1066
1067         wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
1068         hapd->ap_pin_failures = 0;
1069         os_free(hapd->conf->ap_pin);
1070         hapd->conf->ap_pin = NULL;
1071 }
1072
1073
1074 #ifdef CONFIG_WPS_NFC
1075
1076 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
1077                                              int ndef)
1078 {
1079         struct hostapd_data *hapd;
1080
1081         if (wpa_s->ap_iface == NULL)
1082                 return NULL;
1083         hapd = wpa_s->ap_iface->bss[0];
1084         return hostapd_wps_nfc_config_token(hapd, ndef);
1085 }
1086
1087
1088 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
1089                                              int ndef)
1090 {
1091         struct hostapd_data *hapd;
1092
1093         if (wpa_s->ap_iface == NULL)
1094                 return NULL;
1095         hapd = wpa_s->ap_iface->bss[0];
1096         return hostapd_wps_nfc_hs_cr(hapd, ndef);
1097 }
1098
1099
1100 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
1101                                     const struct wpabuf *req,
1102                                     const struct wpabuf *sel)
1103 {
1104         struct hostapd_data *hapd;
1105
1106         if (wpa_s->ap_iface == NULL)
1107                 return -1;
1108         hapd = wpa_s->ap_iface->bss[0];
1109         return hostapd_wps_nfc_report_handover(hapd, req, sel);
1110 }
1111
1112 #endif /* CONFIG_WPS_NFC */
1113
1114 #endif /* CONFIG_WPS */
1115
1116
1117 #ifdef CONFIG_CTRL_IFACE
1118
1119 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
1120                             char *buf, size_t buflen)
1121 {
1122         struct hostapd_data *hapd;
1123
1124         if (wpa_s->ap_iface)
1125                 hapd = wpa_s->ap_iface->bss[0];
1126         else if (wpa_s->ifmsh)
1127                 hapd = wpa_s->ifmsh->bss[0];
1128         else
1129                 return -1;
1130         return hostapd_ctrl_iface_sta_first(hapd, buf, buflen);
1131 }
1132
1133
1134 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
1135                       char *buf, size_t buflen)
1136 {
1137         struct hostapd_data *hapd;
1138
1139         if (wpa_s->ap_iface)
1140                 hapd = wpa_s->ap_iface->bss[0];
1141         else if (wpa_s->ifmsh)
1142                 hapd = wpa_s->ifmsh->bss[0];
1143         else
1144                 return -1;
1145         return hostapd_ctrl_iface_sta(hapd, txtaddr, buf, buflen);
1146 }
1147
1148
1149 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1150                            char *buf, size_t buflen)
1151 {
1152         struct hostapd_data *hapd;
1153
1154         if (wpa_s->ap_iface)
1155                 hapd = wpa_s->ap_iface->bss[0];
1156         else if (wpa_s->ifmsh)
1157                 hapd = wpa_s->ifmsh->bss[0];
1158         else
1159                 return -1;
1160         return hostapd_ctrl_iface_sta_next(hapd, txtaddr, buf, buflen);
1161 }
1162
1163
1164 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1165                                    const char *txtaddr)
1166 {
1167         if (wpa_s->ap_iface == NULL)
1168                 return -1;
1169         return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1170                                                txtaddr);
1171 }
1172
1173
1174 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1175                                      const char *txtaddr)
1176 {
1177         if (wpa_s->ap_iface == NULL)
1178                 return -1;
1179         return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1180                                                  txtaddr);
1181 }
1182
1183
1184 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1185                                  size_t buflen, int verbose)
1186 {
1187         char *pos = buf, *end = buf + buflen;
1188         int ret;
1189         struct hostapd_bss_config *conf;
1190
1191         if (wpa_s->ap_iface == NULL)
1192                 return -1;
1193
1194         conf = wpa_s->ap_iface->bss[0]->conf;
1195         if (conf->wpa == 0)
1196                 return 0;
1197
1198         ret = os_snprintf(pos, end - pos,
1199                           "pairwise_cipher=%s\n"
1200                           "group_cipher=%s\n"
1201                           "key_mgmt=%s\n",
1202                           wpa_cipher_txt(conf->rsn_pairwise),
1203                           wpa_cipher_txt(conf->wpa_group),
1204                           wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1205                                            conf->wpa));
1206         if (os_snprintf_error(end - pos, ret))
1207                 return pos - buf;
1208         pos += ret;
1209         return pos - buf;
1210 }
1211
1212 #endif /* CONFIG_CTRL_IFACE */
1213
1214
1215 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1216 {
1217         struct hostapd_iface *iface = wpa_s->ap_iface;
1218         struct wpa_ssid *ssid = wpa_s->current_ssid;
1219         struct hostapd_data *hapd;
1220
1221         if (ssid == NULL || wpa_s->ap_iface == NULL ||
1222             ssid->mode == WPAS_MODE_INFRA ||
1223             ssid->mode == WPAS_MODE_IBSS)
1224                 return -1;
1225
1226 #ifdef CONFIG_P2P
1227         if (ssid->mode == WPAS_MODE_P2P_GO)
1228                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1229         else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1230                 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1231                         P2P_GROUP_FORMATION;
1232 #endif /* CONFIG_P2P */
1233
1234         hapd = iface->bss[0];
1235         if (hapd->drv_priv == NULL)
1236                 return -1;
1237         ieee802_11_set_beacons(iface);
1238         hostapd_set_ap_wps_ie(hapd);
1239
1240         return 0;
1241 }
1242
1243
1244 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1245                       struct csa_settings *settings)
1246 {
1247 #ifdef NEED_AP_MLME
1248         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1249                 return -1;
1250
1251         return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1252 #else /* NEED_AP_MLME */
1253         return -1;
1254 #endif /* NEED_AP_MLME */
1255 }
1256
1257
1258 #ifdef CONFIG_CTRL_IFACE
1259 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1260 {
1261         struct csa_settings settings;
1262         int ret = hostapd_parse_csa_settings(pos, &settings);
1263
1264         if (ret)
1265                 return ret;
1266
1267         return ap_switch_channel(wpa_s, &settings);
1268 }
1269 #endif /* CONFIG_CTRL_IFACE */
1270
1271
1272 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1273                        int offset, int width, int cf1, int cf2)
1274 {
1275         if (!wpa_s->ap_iface)
1276                 return;
1277
1278         wpa_s->assoc_freq = freq;
1279         if (wpa_s->current_ssid)
1280                 wpa_s->current_ssid->frequency = freq;
1281         hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht,
1282                                 offset, width, cf1, cf2);
1283 }
1284
1285
1286 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1287                                       const u8 *addr)
1288 {
1289         struct hostapd_data *hapd;
1290         struct hostapd_bss_config *conf;
1291
1292         if (!wpa_s->ap_iface)
1293                 return -1;
1294
1295         if (addr)
1296                 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1297                            MAC2STR(addr));
1298         else
1299                 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1300
1301         hapd = wpa_s->ap_iface->bss[0];
1302         conf = hapd->conf;
1303
1304         os_free(conf->accept_mac);
1305         conf->accept_mac = NULL;
1306         conf->num_accept_mac = 0;
1307         os_free(conf->deny_mac);
1308         conf->deny_mac = NULL;
1309         conf->num_deny_mac = 0;
1310
1311         if (addr == NULL) {
1312                 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1313                 return 0;
1314         }
1315
1316         conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1317         conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1318         if (conf->accept_mac == NULL)
1319                 return -1;
1320         os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1321         conf->num_accept_mac = 1;
1322
1323         return 0;
1324 }
1325
1326
1327 #ifdef CONFIG_WPS_NFC
1328 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1329                            const struct wpabuf *pw, const u8 *pubkey_hash)
1330 {
1331         struct hostapd_data *hapd;
1332         struct wps_context *wps;
1333
1334         if (!wpa_s->ap_iface)
1335                 return -1;
1336         hapd = wpa_s->ap_iface->bss[0];
1337         wps = hapd->wps;
1338
1339         if (wpa_s->p2pdev->conf->wps_nfc_dh_pubkey == NULL ||
1340             wpa_s->p2pdev->conf->wps_nfc_dh_privkey == NULL) {
1341                 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1342                 return -1;
1343         }
1344
1345         dh5_free(wps->dh_ctx);
1346         wpabuf_free(wps->dh_pubkey);
1347         wpabuf_free(wps->dh_privkey);
1348         wps->dh_privkey = wpabuf_dup(
1349                 wpa_s->p2pdev->conf->wps_nfc_dh_privkey);
1350         wps->dh_pubkey = wpabuf_dup(
1351                 wpa_s->p2pdev->conf->wps_nfc_dh_pubkey);
1352         if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1353                 wps->dh_ctx = NULL;
1354                 wpabuf_free(wps->dh_pubkey);
1355                 wps->dh_pubkey = NULL;
1356                 wpabuf_free(wps->dh_privkey);
1357                 wps->dh_privkey = NULL;
1358                 return -1;
1359         }
1360         wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1361         if (wps->dh_ctx == NULL)
1362                 return -1;
1363
1364         return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1365                                               pw_id,
1366                                               pw ? wpabuf_head(pw) : NULL,
1367                                               pw ? wpabuf_len(pw) : 0, 1);
1368 }
1369 #endif /* CONFIG_WPS_NFC */
1370
1371
1372 #ifdef CONFIG_CTRL_IFACE
1373 int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s)
1374 {
1375         struct hostapd_data *hapd;
1376
1377         if (!wpa_s->ap_iface)
1378                 return -1;
1379         hapd = wpa_s->ap_iface->bss[0];
1380         return hostapd_ctrl_iface_stop_ap(hapd);
1381 }
1382
1383
1384 int wpas_ap_pmksa_cache_list(struct wpa_supplicant *wpa_s, char *buf,
1385                              size_t len)
1386 {
1387         size_t reply_len = 0, i;
1388         char ap_delimiter[] = "---- AP ----\n";
1389         char mesh_delimiter[] = "---- mesh ----\n";
1390         size_t dlen;
1391
1392         if (wpa_s->ap_iface) {
1393                 dlen = os_strlen(ap_delimiter);
1394                 if (dlen > len - reply_len)
1395                         return reply_len;
1396                 os_memcpy(&buf[reply_len], ap_delimiter, dlen);
1397                 reply_len += dlen;
1398
1399                 for (i = 0; i < wpa_s->ap_iface->num_bss; i++) {
1400                         reply_len += hostapd_ctrl_iface_pmksa_list(
1401                                 wpa_s->ap_iface->bss[i],
1402                                 &buf[reply_len], len - reply_len);
1403                 }
1404         }
1405
1406         if (wpa_s->ifmsh) {
1407                 dlen = os_strlen(mesh_delimiter);
1408                 if (dlen > len - reply_len)
1409                         return reply_len;
1410                 os_memcpy(&buf[reply_len], mesh_delimiter, dlen);
1411                 reply_len += dlen;
1412
1413                 reply_len += hostapd_ctrl_iface_pmksa_list(
1414                         wpa_s->ifmsh->bss[0], &buf[reply_len],
1415                         len - reply_len);
1416         }
1417
1418         return reply_len;
1419 }
1420
1421
1422 void wpas_ap_pmksa_cache_flush(struct wpa_supplicant *wpa_s)
1423 {
1424         size_t i;
1425
1426         if (wpa_s->ap_iface) {
1427                 for (i = 0; i < wpa_s->ap_iface->num_bss; i++)
1428                         hostapd_ctrl_iface_pmksa_flush(wpa_s->ap_iface->bss[i]);
1429         }
1430
1431         if (wpa_s->ifmsh)
1432                 hostapd_ctrl_iface_pmksa_flush(wpa_s->ifmsh->bss[0]);
1433 }
1434 #endif /* CONFIG_CTRL_IFACE */
1435
1436
1437 #ifdef NEED_AP_MLME
1438 void wpas_event_dfs_radar_detected(struct wpa_supplicant *wpa_s,
1439                                    struct dfs_event *radar)
1440 {
1441         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1442                 return;
1443         wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1444         hostapd_dfs_radar_detected(wpa_s->ap_iface, radar->freq,
1445                                    radar->ht_enabled, radar->chan_offset,
1446                                    radar->chan_width,
1447                                    radar->cf1, radar->cf2);
1448 }
1449
1450
1451 void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
1452                                 struct dfs_event *radar)
1453 {
1454         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1455                 return;
1456         wpa_printf(MSG_DEBUG, "DFS CAC started on %d MHz", radar->freq);
1457         hostapd_dfs_start_cac(wpa_s->ap_iface, radar->freq,
1458                               radar->ht_enabled, radar->chan_offset,
1459                               radar->chan_width, radar->cf1, radar->cf2);
1460 }
1461
1462
1463 void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
1464                                  struct dfs_event *radar)
1465 {
1466         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1467                 return;
1468         wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1469         hostapd_dfs_complete_cac(wpa_s->ap_iface, 1, radar->freq,
1470                                  radar->ht_enabled, radar->chan_offset,
1471                                  radar->chan_width, radar->cf1, radar->cf2);
1472 }
1473
1474
1475 void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
1476                                 struct dfs_event *radar)
1477 {
1478         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1479                 return;
1480         wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1481         hostapd_dfs_complete_cac(wpa_s->ap_iface, 0, radar->freq,
1482                                  radar->ht_enabled, radar->chan_offset,
1483                                  radar->chan_width, radar->cf1, radar->cf2);
1484 }
1485
1486
1487 void wpas_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s,
1488                                      struct dfs_event *radar)
1489 {
1490         if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1491                 return;
1492         wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1493         hostapd_dfs_nop_finished(wpa_s->ap_iface, radar->freq,
1494                                  radar->ht_enabled, radar->chan_offset,
1495                                  radar->chan_width, radar->cf1, radar->cf2);
1496 }
1497 #endif /* NEED_AP_MLME */
1498
1499
1500 void ap_periodic(struct wpa_supplicant *wpa_s)
1501 {
1502         if (wpa_s->ap_iface)
1503                 hostapd_periodic_iface(wpa_s->ap_iface);
1504 }